import java.util.HashMap;
import java.util.Map;
import java.util.List;

Map eventContextMap = (Map) context.get("EventContextMap");
int totalFiles = eventContextMap.get("listSize"); 	 
String[] fileList = eventContextMap.get("fileList").toString().split(",");	 
if(totalFiles >= 1){
context.put("fileName",fileList[totalFiles - 1]);
totalFiles = totalFiles - 1;
eventContextMap.put("listSize",totalFiles);
return true;
}
else {
 return false;
}